79110 Freiburg-Seeparkgelände: Architecture: Möhrle (Freiburg), created as part of the State Garden Show; today used as a BUND centre for children and youth work (environmental education). Natural garden, solar systems, rainwater harvesting, mound wood construction. "Hogan" (Native American); ecological interior design (all-wood furniture, resource-saving household appliances, ...), completion: 1986
76149 Karlsruhe-Nordstadt: MIKA stands for "Tenants Initiative Karlsruhe", barracks conversion with a lot of own work. 86 flats, completion: 1999
52072 Aachen-Laurensberg: "Solarsiedlung Teichstraße", 43 residential buildings in 27 terraced and 16 semi-detached houses, as well as two office buildings in passive house standard, on 2.5 hectares of land; partly wood pellet heating, 60 % coverage via solar thermal collectors, PV system or geothermal system. Completion: 2003
21109 Hamburg-Wilhelmsburg: In two identical, five-storey buildings with staggered floors, 28 apartments were built on Kurt-Emmerich-Platz on sloping terrain as part of the entrance complex at Inselpark. Completion: 2013
